﻿#include<iostream>
#include<stack>
#include<queue>
using namespace std;
int main()
{

		queue<char> Q;

		char x, y;

		x = 'n'; y = 'g';

		Q.push(x); Q.push('i'); Q.push(y);

		Q.pop(); Q.push('r'); Q.push('t'); Q.push(x);

		Q.pop(); Q.push('s');

		while (!Q.empty())

		{

			x = Q.front();

			Q.pop();

			cout << x;

		};

		cout << y;

		return 0;
}

